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Finding the Fourth Proportional to 46,881.78, 64,696.65 and 25,660.98

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Solution

The fourth proportional to 46,881.78, 64,696.65 and 25,660.98 is: 35,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,881.78 : 64,696.65 = 25,660.98 : x
  2. Step 2: Convert to fraction form
    46,881.78/64,696.65 = 25,660.98/x
  3. Step 3: Cross multiply
    46,881.78x = 64,696.65 × 25,660.98
  4. Step 4: Simplify right side
    46,881.78x = 1,660,179,441.72
  5. Step 5: Solve for x
    x = 1,660,179,441.72/46,881.78
  6. Step 6: Final answer
    x = 35,412.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.